Note: The job is a remote job and is open to candidates in USA. 1KOMMA5° is a CleanTech company building the energy system of the future with its Heartbeat AI platform, which integrates renewable energy technologies through intelligent software. The Staff Engineer will own technical direction across the Heartbeat AI engineering domain, architect scalable AI-driven systems and APIs, and guide the team toward agentic engineering while mentoring engineers and embedding security and reliability.
Responsibilities
- Own technical direction across Heartbeat AI's engineering domain (Mobile Apps, Energy Data, IoT Platform, and beyond), keeping architecture aligned with product direction
- Accountable for consistent execution of technical decisions within your domain, setting clear direction and holding the team accountable for implementation
- Set the technical bar for the team, stepping into the hardest problems yourself rather than just directing others
- Translate business and product requirements into technical solutions
- Mentor and challenge engineers within Heartbeat AI to accelerate their growth
- Build a high-performing engineering culture within the Heartbeat AI team
- Embed security and reliability as direct customer value
- Architect our systems and APIs so AI agents operate as first-class users with machine-readable contracts and structured errors that let agents self-correct
- Drive Heartbeat AI's shift to agentic engineering, reshaping how the team works so agents execute safely while humans stay accountable
- Own the architecture of the AI systems that power the product itself, from our EMS to our energy tariff
Skills
- Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years
- A proven track record of architecting scalable and secure systems, demonstrating a strong commitment to quality
- Extensive experience in designing and implementing APIs that enable seamless integration and system communication
- An agile and result-oriented mindset, with a strong emphasis on collaboration and teamwork
- Experience communicating with stakeholders in business terms and understanding the technical implications of their requirements
- Experience driving technical alignment within a team in fast-paced environments, including making and following through on critical technical decisions
- Experience designing systems and APIs for agent consumption, with structured errors and clear contracts that let agents self-correct
- Capability to guide an engineering team through the shift to agentic engineering, reshaping workflows so agents execute safely while humans stay accountable for every outcome
- Experience architecting AI/ML-driven or data-intensive systems (e.g. forecasting, real-time data pipelines), ideally in an energy or IoT context
- Strong verbal and written communication skills in English
- Proficiency in German considered a plus
Benefits
- Part of an international, dynamic, and highly motivated team of people who have proven to make things happen
- Work with and learn from other super-smart colleagues
- Direct contact with core decision-makers
- The best chances of entering full-time in one of Europe’s most thriving scaleups
- Remote work Germany-wide, with offices in Hamburg, Berlin or Munich
- EGYM Wellpass benefits
- Benefits and discounts through Futurebens
- Job bike leasing for city bikes or e-bikes
- Individualised opportunities for professional development
Company Overview